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factor out planet enum

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jason
2022-01-04 21:14:36 -08:00
parent f2e7381878
commit b899d6d5c5
1 changed files with 41 additions and 45 deletions
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86
81_Splat/java/src/Splat.java
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@@ -30,7 +30,6 @@ public class Splat {
int N = 0;
int M = 0;
int D1 = (int) (9001.0f * random.nextFloat() + 1000);
D1 = 2937; //debug fixme
System.out.print("SELECT YOUR OWN TERMINAL VELOCITY (YES OR NO) ");
float V1;
@@ -56,50 +55,7 @@ public class Splat {
while (true) {
String B1 = scanner.next();
if (B1.equals("NO")) {
switch (random.nextInt(10)) {
case 0:
System.out.println("FINE. YOU'RE ON MERCURY. ACCELERATION=12.2 FT/SEC/SEC.");
A2 = 12.2f;
break;
case 1:
System.out.println("ALL RIGHT. YOU'RE ON VENUS. ACCELERATION=28.3 FT/SEC/SEC.");
A2 = 28.3f;
break;
case 2:
System.out.println("THEN YOU'RE ON EARTH. ACCELERATION=32.16 FT/SEC/SEC.");
A2 = 32.16f;
break;
case 3:
System.out.println("FINE. YOU'RE ON THE MOON. ACCELERATION=5.15 FT/SEC/SEC.");
A2 = 5.15f;
break;
case 4:
System.out.println("ALL RIGHT. YOU'RE ON MARS. ACCELERATION=12.5 FT/SEC/SEC.");
A2 = 12.5f;
break;
case 5:
System.out.println("THEN YOU'RE ON JUPITER. ACCELERATION=85.2 FT/SEC/SEC.");
A2 = 85.2f;
break;
case 6:
System.out.println("FINE. YOU'RE ON SATURN. ACCELERATION=37.6 FT/SEC/SEC.");
A2 = 37.6f;
break;
case 7:
System.out.println("ALL RIGHT. YOU'RE ON URANUS. ACCELERATION=33.8 FT/SEC/SEC.");
A2 = 33.8f;
break;
case 8:
System.out.println("THEN YOU'RE ON NEPTUNE. ACCELERATION=39.6 FT/SEC/SEC.");
A2 = 39.6f;
break;
case 9:
System.out.println("FINE. YOU'RE ON THE SUN. ACCELERATION=896 FT/SEC/SEC.");
A2 = 896.0f;
break;
default:
throw new RuntimeException("Impossible. Will fix stupid switch statement later.");
}
A2 = chooseRandomAcceleration();
break;
}
if (!B1.equals("YES")) {
@@ -274,4 +230,44 @@ public class Splat {
}
}
private float chooseRandomAcceleration() {
Planet planet = Planet.pickRandom();
System.out.printf("%s. ACCELERATION=%.2f FT/SEC/SEC.\n", planet.getMessage(), planet.getAcceleration());
return planet.getAcceleration();
}
enum Planet {
MERCURY("FINE. YOU'RE ON MERCURY", 12.2f),
VENUS("ALL RIGHT. YOU'RE ON VENUS", 28.3f),
EARTH("THEN YOU'RE ON EARTH", 32.16f),
MOON("FINE. YOU'RE ON THE MOON", 5.15f),
MARS("ALL RIGHT. YOU'RE ON MARS", 12.5f),
JUPITER("THEN YOU'RE ON JUPITER", 85.2f),
SATURN("FINE. YOU'RE ON SATURN", 37.6f),
URANUS("ALL RIGHT. YOU'RE ON URANUS", 33.8f),
NEPTUNE("THEN YOU'RE ON NEPTUNE", 39.6f),
SUN("FINE. YOU'RE ON THE SUN", 896.0f);
static final Random random = new Random();
private final String message;
private final float acceleration;
Planet(String message, float acceleration) {
this.message = message;
this.acceleration = acceleration;
}
static Planet pickRandom(){
return values()[random.nextInt(Planet.values().length)];
}
public String getMessage() {
return message;
}
public float getAcceleration() {
return acceleration;
}
}
}